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Single Family ResidenceResidential
$425,158$261 / ft²
TopHap EstimateOur estimate of what this home would sell for today, based on nearby sales, the home's size and features, and local price trends. It is a starting point, not an appraisal.· confidence 96How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Sep 24, 2026
Last sold for $355,000 on Jun 10, 2021

1821 UNION ST

CLEARWATER, FL 33763
3
Beds
2
Baths
1,627 ft²
Living AreaTotal finished area of the structures, from county records. Some counties include shared space like hallways or a building gym, so it may not match a listing.
0.25 ac
Lot SizeThe size of the land the home sits on, from county records.
1969
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$425K
$410K low$441K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$355,000 · Jun 10, 2021

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,719 (2025)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$398,847 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$108,777
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$290,070
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$366,041
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$398,847

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.27 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.51%
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.1 percent flood zone

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
StyleThe architectural style of the home, such as ranch or colonial.Custom Design
CountyPINELLAS
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.1998
Lot (acres)The size of the land the home sits on, from county records.0.25
ConstructionThe main material the home's frame and walls are built from.Masonry/Concrete Masonry Units (Cmus)
RoofThe main material covering the roof, such as asphalt shingle or tile.Concrete
HeatingThe type of heating system in the home.Central
CoolingThe type of cooling or air conditioning in the home.Central
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached
PoolWhether the property has a pool, and what kind, such as in-ground.No
ViewThe type of view from the property, or another feature of the site that affects value.Pond
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck · 330 ft²Patio · 330 ft²Porch · 268 ft²Boat access

Transaction History(4)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Foreclosure Filings(4)

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
Dunedin ElementaryD+
Elementary · Grades PK–5 · 0.9 mi
M
Dunedin Highland Middle SchoolA
Middle · Grades 6–8 · 1.0 mi
H
Dunedin High SchoolC
High · Grades 9–12 · 2.2 mi

District: Pinellas County School District

Neighborhood · ZIP 33763These are comparison scores, not percentages. 100 equals the national average, so 150 means about 50% above average.

CrimeLocal crime compared with the rest of the country, where 100 is average. It reflects things like population density, income, and how crime gets reported.120
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.76
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.17

Index scale: 100 = US average (tick). Lower is better.

Homes occupiedThe share of homes here that someone lives in. The rest sit empty, including vacation and for-sale homes.87%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.21%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.9%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.7%
PopulationHow many people live in this area.19,441
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.5,354 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$55,164
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$74,804
Average tempThe average temperature here across a full year.72°F
Annual precipHow much rain and melted snow falls here in a typical year.51 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.66%

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Data by ATTOM. Valuations are automated estimates, not appraisals. Photos from Google Street View and may not depict the current property state.

How this home compares

1821 Union St measured against every home in its neighborhood, its ZIP code and its county, using county assessor records refreshed nightly. A home can stand out in one of those areas and look ordinary in another, because each one holds a different mix of homes.

  • Worth more than 95% of homes in Clearwater 33763
  • Costs more per square foot than 88% of homes in Clearwater 33763
  • Bigger than 89% of homes in Clearwater 33763
  • Has a bigger lot than 75% of homes in Montclair Lake Estates
  • Older than 85% of homes in Clearwater 33763

What homes are worth in Clearwater 33763

Each bar is how many homes fall in that price range. The marker is this home.

This home
$84K$479K

This home is worth more than 95% of homes in Clearwater 33763.

How it measures up in Clearwater 33763

The dot is this home. The mark in the middle is the typical home in Clearwater 33763.

Estimated value$425,158
CheaperTypical $196,944Pricier

Pricier than 95% of homes nearby

Price per ft²$261
CheaperTypical $162Pricier

Pricier than 88% of homes nearby

Living area1,627 ft²
SmallerTypical 1,238 ft²Bigger

Bigger than 89% of homes nearby

Lot size0.25 ac
SmallerTypical 0.65 acBigger

Bigger than 44% of homes nearby

Year built1969
OlderTypical 1977Newer

Newer than 15% of homes nearby

How 1821 Union St ranks against every home in each area.
MeasureThis homeMontclair Lake EstatesClearwater 33763Pinellas County
Estimated valuepricier than$425,15877% of homes95% of homes61% of homes
Price per ft²pricier than$26178% of homes88% of homes49% of homes
Living areabigger than1,627 ft²60% of homes89% of homes68% of homes
Lot sizebigger than0.25 ac75% of homes44% of homes63% of homes
Year builtnewer than196943% of homes15% of homes38% of homes

About 1821 Union St

How much is 1821 Union St, Clearwater, FL worth?

The TopHap Estimate for 1821 Union St, Clearwater, FL is $425,158 as of Sep 24, 2026. The likely range is $409,696 to $440,620. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 1821 Union St, Clearwater, FL last sell?

1821 Union St, Clearwater, FL last sold on Jun 10, 2021 for $355,000, according to the county's recorded deed. TopHap holds 4 recorded sales for this parcel.

How big is 1821 Union St, Clearwater, FL?

1821 Union St, Clearwater, FL has 3 bedrooms, 2 bathrooms, 1,627 square feet of living space and a 0.25-acre lot.

When was 1821 Union St, Clearwater, FL built?

1821 Union St, Clearwater, FL was built in 1969, making it 57 years old. It is a custom design home. The building has 1 story.

What schools serve 1821 Union St, Clearwater, FL?

1821 Union St, Clearwater, FL is assigned to Dunedin Elementary (elementary), rated D+; Dunedin Highland Middle School (middle), rated A; Dunedin High School (high), rated C. All sit in Pinellas County School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 1821 Union St, Clearwater, FL compare to other homes in Clearwater 33763?

Among the 10,410 homes in Clearwater 33763, it is worth more than 95% of them ($425,158 against a typical $196,944), its price per square foot is higher than 88% of them ($261 against a typical $162), it is bigger than 89% of them (1,627 ft² against a typical 1,238 ft²), its lot is bigger than 44% of them (0.25 ac against a typical 0.65 ac) and it is newer than 15% of them (1969 against a typical 1977). Measured against all of Pinellas County, it is worth more than 61% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 1821 Union St, Clearwater, FL?

The 2025 property tax bill for 1821 Union St, Clearwater, FL was $7,719. The county assessed it at $398,847.

More homes on Union St

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